CH639235B - Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique. - Google Patents

Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique.

Info

Publication number
CH639235B
CH639235B CH1143279A CH1143279A CH639235B CH 639235 B CH639235 B CH 639235B CH 1143279 A CH1143279 A CH 1143279A CH 1143279 A CH1143279 A CH 1143279A CH 639235 B CH639235 B CH 639235B
Authority
CH
Switzerland
Prior art keywords
rotation
driving
magnetic field
detection
detection device
Prior art date
Application number
CH1143279A
Other languages
English (en)
French (fr)
Other versions
CH639235GA3 (enrdf_load_stackoverflow
Inventor
Makoto Ueda
Akira Torisawa
Shuji Otawa
Masaaki Mandai
Masaharu Shida
Katsuhiko Sato
Original Assignee
Seiko Instr & Electronics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication of CH639235B publication Critical patent/CH639235B/fr
Priority claimed from JP16217078A external-priority patent/JPS5587076A/ja
Priority claimed from JP16150978A external-priority patent/JPS5587976A/ja
Priority claimed from JP16151078A external-priority patent/JPS5587977A/ja
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH639235GA3 publication Critical patent/CH639235GA3/fr

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/02—Arrangements for controlling dynamo-electric motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
  • Electric Clocks (AREA)
CH1143279A 1978-12-25 1979-12-21 Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique. CH639235B (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP16217078A JPS5587076A (en) 1978-12-25 1978-12-25 Electronic watch
JP16150978A JPS5587976A (en) 1978-12-26 1978-12-26 Device for detecting electronic watch
JP16151078A JPS5587977A (en) 1978-12-26 1978-12-26 Device for detecting electronic watch

Publications (2)

Publication Number Publication Date
CH639235B true CH639235B (fr)
CH639235GA3 CH639235GA3 (enrdf_load_stackoverflow) 1983-11-15

Family

ID=27321867

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1143279A CH639235B (fr) 1978-12-25 1979-12-21 Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique.

Country Status (5)

Country Link
US (1) US4321521A (enrdf_load_stackoverflow)
CH (1) CH639235B (enrdf_load_stackoverflow)
DE (1) DE2951947A1 (enrdf_load_stackoverflow)
FR (1) FR2445653A1 (enrdf_load_stackoverflow)
GB (1) GB2038512A (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437768A (en) 1980-04-11 1984-03-20 Citizen Watch Company Limited Movement structure for an electronic timepiece
CH640999B (fr) 1980-08-25 Ebauchesfabrik Eta Ag Procede et dispositif de commande d'une moteur pas a pas de piece d'horlogerie electronique.
JPS57106397A (en) * 1980-12-18 1982-07-02 Seiko Instr & Electronics Ltd Driving device for stepping motor
GB2134290B (en) * 1982-12-16 1986-02-26 Suwa Seikosha Kk An analog electronic timepiece
JPH0681551B2 (ja) * 1984-10-16 1994-10-12 セイコ−電子工業株式会社 ステップモ−タの回転検出方法
JPS6258189A (ja) * 1985-09-09 1987-03-13 Seiko Instr & Electronics Ltd アナログ電子時計
CH671135GA3 (en) * 1987-12-11 1989-08-15 Control method for stepper motor - using magnetic field detector allowing compensation for ambient magnetic field by adjusting drive pulses
JP2624176B2 (ja) * 1994-05-20 1997-06-25 日本電気株式会社 電子時計及び時刻補正方法
JP3541601B2 (ja) 1997-02-07 2004-07-14 セイコーエプソン株式会社 ステッピングモーターの制御装置、その制御方法および計時装置
JP3881700B2 (ja) * 1997-03-17 2007-02-14 シチズン時計株式会社 発電装置付電子時計
JPH11127595A (ja) * 1997-08-11 1999-05-11 Seiko Epson Corp 電子機器
JP3514237B2 (ja) * 1998-09-10 2004-03-31 セイコーエプソン株式会社 パルスモータの駆動装置、パルスモータの駆動方法、計時装置及び計時装置の制御方法
JP3395786B1 (ja) * 2002-02-26 2003-04-14 セイコーエプソン株式会社 電子機器、電子機器の受信制御方法および電子機器の受信制御プログラム
TW525796U (en) * 2002-09-10 2003-03-21 Yuan-Sung Weng Wrist-watch with radio detection function of illegal recording
JP2011027510A (ja) * 2009-07-23 2011-02-10 Seiko Instruments Inc クロノグラフ時計
JP2011169750A (ja) * 2010-02-18 2011-09-01 Seiko Instruments Inc 電子時計およびその処理方法とプログラム
US9529330B2 (en) 2010-09-09 2016-12-27 Citizen Holdings Co., Ltd. Wrist watch oscillating step motor with sweep motion

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756010A (en) * 1970-08-11 1973-09-04 Matsushita Electric Works Ltd Magnetic-induction clock
US3963946A (en) * 1975-02-21 1976-06-15 Robertshaw Controls Company Driver circuit for step motor
US4081736A (en) * 1976-07-09 1978-03-28 The Superior Electric Company Open loop motor stabilization method and circuit
US4158287A (en) * 1976-08-12 1979-06-19 Citizen Watch Company Limited Driver circuit for electro-mechanical transducer
JPS5345575A (en) * 1976-10-06 1978-04-24 Seiko Epson Corp Electronic wristwatch
CH635973B (fr) * 1977-01-19 Suwa Seikosha Kk Circuit de commande pour un transducteur electromecanique d'une montre, notamment d'une montre-bracelet electronique.
JPS53136870A (en) * 1977-04-23 1978-11-29 Seiko Instr & Electronics Ltd Electronic watch
JPS5477169A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch
JPS54155079A (en) * 1978-05-26 1979-12-06 Seiko Instr & Electronics Ltd Magnetic field detector for electronic watch
JPS5515054A (en) * 1978-07-19 1980-02-01 Seiko Instr & Electronics Ltd Electronic watch

Also Published As

Publication number Publication date
DE2951947A1 (de) 1980-07-10
US4321521A (en) 1982-03-23
FR2445653A1 (fr) 1980-07-25
GB2038512A (en) 1980-07-23
FR2445653B1 (enrdf_load_stackoverflow) 1984-09-07
CH639235GA3 (enrdf_load_stackoverflow) 1983-11-15

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